Process for the trek up of objects and a powder of trek agent on the basis of the hydroxyl group-containing polymeric ogepsilon-caprolactam-masked polyisocyanates for, practice affremgangsmaden

摘要

Object of the invention is a pulverulent coating agent curing at a temperature above 130 DEG C comprising (a) at least one polymer containg hydroxyl groups and having a softening point of at least 40 DEG C, and (b) an with epsilon -caprolactam masked product consisting of an aromatic polyisocyanate and a dihydric alcohol.